Climate - Antsiranana (Madagascar)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Antsiranana (Madagascar)
The climate of Antsiranana is tropical, hot all year round, with a relatively cool, dry period from June to August and a hot, rainy period from November to March.
The city (called Diego-Suarez until 1975) is located in the extreme north of Madagascar, on a stretch of coast overlooking a bay.
Antsiranana - Climate data
The average temperature of the coldest month (July) is of 24.6 °C (76.3 °F), that of the warmest month (December) is of 27.8 °C (82.1 °F). Here are the average temperatures.Antsiranana - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 23 | 31.5 | 27.3 | 73 | 89 | 81.1 |
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| February | 22.9 | 31.2 | 27.1 | 73 | 88 | 80.7 |
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| March | 22.9 | 31.6 | 27.3 | 73 | 89 | 81.1 |
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| April | 22.6 | 31.9 | 27.3 | 73 | 89 | 81.1 |
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| May | 21.7 | 31.4 | 26.6 | 71 | 89 | 79.8 |
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| June | 20.3 | 30.3 | 25.3 | 69 | 87 | 77.6 |
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| July | 19.5 | 29.7 | 24.6 | 67 | 85 | 76.3 |
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| August | 19.6 | 29.9 | 24.8 | 67 | 86 | 76.6 |
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| September | 20.1 | 30.4 | 25.3 | 68 | 87 | 77.5 |
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| October | 21.2 | 31.7 | 26.5 | 70 | 89 | 79.6 |
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| November | 22.4 | 32.5 | 27.4 | 72 | 90 | 81.4 |
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| December | 23 | 32.6 | 27.8 | 73 | 91 | 82.1 |
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| Year | 21.6 | 31.2 | 26.35 | 70.9 | 88.2 | 79.5 |
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Precipitation amounts to 1195 millimeters (47 inches) per year: it is therefore quite abundant. It ranges from 10 mm (0.4 in) in the driest month (September) to 340 mm (13.4 in) in the wettest one (January). Here is the average precipitation.Antsiranana - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 340 | 13.4 | 16 |
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| February | 305 | 12 | 15 |
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| March | 180 | 7.1 | 12 |
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| April | 50 | 2 | 6 |
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| May | 15 | 0.6 | 4 |
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| June | 20 | 0.8 | 3 |
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| July | 20 | 0.8 | 4 |
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| August | 20 | 0.8 | 4 |
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| September | 10 | 0.4 | 2 |
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| October | 15 | 0.6 | 3 |
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| November | 55 | 2.2 | 5 |
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| December | 170 | 6.7 | 10 |
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| Year | 1195 | 47 | 84 |
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The sea temperature ranges from 25 °C (77 °F) in August, September to 29 °C (84 °F) in February, March. Here are the average sea temperatures.Antsiranana - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
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January | 28.5 | 84 | February | 29 | 84 | March | 29 | 84 | April | 28.5 | 83 | May | 28 | 82 | June | 26.5 | 80 | July | 25.5 | 78 | August | 25 | 77 | September | 25 | 77 | October | 26 | 79 | November | 27 | 81 | December | 28 | 83 | Year | 27.2 | 80.9 |
There are on average around 3040 sunshine hours per year. Here are the average hours of sunshine per day.
Antsiranana - Sunshine hours| Month | Average | Total |
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January | 6 | 190 | February | 6 | 170 | March | 7 | 215 | April | 8.5 | 255 | May | 9 | 285 | June | 8.5 | 255 | July | 9 | 275 | August | 9 | 285 | September | 10 | 295 | October | 10 | 305 | November | 9.5 | 280 | December | 7.5 | 230 | Year | 8.3 | 3040 |
Antsiranana - Weather by month
Based on the period 1991-2020
January is generally a warm to hot, muggy month. The average temperature is of 27.3 °C (81 °F), with a minimum of 23 °C (73.4 °F) and a maximum of 31.5 °C (88.7 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (92.5 °F).
Precipitation amounts to 340 mm (13.4 in), distributed over 16 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
February is generally a warm to hot, muggy month. The average temperature is of 27.1 °C (81 °F), with a minimum of 22.9 °C (73.2 °F) and a maximum of 31.2 °C (88.2 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 305 mm (12 in), distributed over 15 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.
March is generally a warm to hot, muggy month. The average temperature is of 27.3 °C (81 °F), with a minimum of 22.9 °C (73.2 °F) and a maximum of 31.6 °C (88.9 °F).
On the coldest nights, the temperature usually drops to around 20 °C (68 °F).
On the warmest days, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 180 mm (7.1 in), distributed over 12 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.
April is generally a warm to hot, muggy month. The average temperature is of 27.3 °C (81 °F), with a minimum of 22.6 °C (72.8 °F) and a maximum of 31.9 °C (89.5 °F).
On the coldest nights, the temperature usually drops to around 20 °C (67.5 °F).
On the warmest days, the temperature usually reaches around 33.5 °C (92 °F).
Precipitation amounts to 50 mm (2 in), distributed over 6 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 15 kph (10 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
May is generally a warm to hot month. The average temperature is of 26.6 °C (80 °F), with a minimum of 21.7 °C (71.1 °F) and a maximum of 31.4 °C (88.5 °F).
On the coldest nights, the temperature usually drops to around 18 °C (64.5 °F).
On the warmest days, the temperature usually reaches around 32.5 °C (91 °F).
Precipitation amounts to 15 mm (0.6 in), distributed over 4 days.
The day lasts on average 11 hours and 30 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 80% of the time.
The average humidity is 67%.
The average wind speed is 20 kph (13 mph).
The average sea temperature is of 28 °C (82 °F). Therefore, the sea is pleasantly warm and allows long swims.
June is generally a warm to hot month. The average temperature is of 25.3 °C (78 °F), with a minimum of 20.3 °C (68.5 °F) and a maximum of 30.3 °C (86.6 °F).
On the coldest nights, the temperature usually drops to around 17 °C (62.5 °F).
On the warmest days, the temperature usually reaches around 32 °C (90 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 3 days.
The day lasts on average 11 hours and 25 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 75% of the time.
The average humidity is 63%.
The average wind speed is 22 kph (14 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
July, the coolest month of the year, is generally a warm to hot month. The average temperature is of 24.6 °C (76 °F), with a minimum of 19.5 °C (67.2 °F) and a maximum of 29.7 °C (85.4 °F).
On the coldest nights of the month, the temperature usually drops to around 16 °C (60.5 °F).
On the warmest days of the month, the temperature usually reaches around 31 °C (88 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 4 days.
The day lasts on average 11 hours and 30 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 77% of the time.
The average humidity is 61%.
The average wind speed is 27 kph (17 mph).
The average sea temperature is of 25.5 °C (77.5 °F). Therefore, the sea is warm enough for swimming.
August is generally a warm to hot month. The average temperature is of 24.8 °C (77 °F), with a minimum of 19.6 °C (67.4 °F) and a maximum of 29.9 °C (85.8 °F).
On the coldest nights of the month, the temperature usually drops to around 16.5 °C (62 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 4 days.
The day lasts on average 11 hours and 40 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 60%.
The average wind speed is 27 kph (17 mph).
The average sea temperature is of 25 °C (77 °F). Therefore, the sea is warm enough for swimming.
September is generally a warm to hot month. The average temperature is of 25.3 °C (78 °F), with a minimum of 20.1 °C (68.2 °F) and a maximum of 30.4 °C (86.8 °F).
On the coldest nights, the temperature usually drops to around 17.5 °C (63.5 °F).
On the warmest days, the temperature usually reaches around 32 °C (89.5 °F).
Precipitation amounts to 10 mm (0.4 in), distributed over 2 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 81% of the time.
The average humidity is 60%.
The average wind speed is 29 kph (18 mph).
The average sea temperature is of 25 °C (77.5 °F). Therefore, the sea is warm enough for swimming.
October is generally a warm to hot month. The average temperature is of 26.5 °C (80 °F), with a minimum of 21.2 °C (70.2 °F) and a maximum of 31.7 °C (89 °F).
On the coldest nights, the temperature usually drops to around 18.5 °C (65.5 °F).
On the warmest days, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 15 mm (0.6 in), distributed over 3 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 80% of the time.
The average humidity is 63%.
The average wind speed is 24 kph (15 mph).
The average sea temperature is of 26 °C (78.5 °F). Therefore, the sea is warm enough for swimming.
November is generally a warm to hot month. The average temperature is of 27.4 °C (81 °F), with a minimum of 22.4 °C (72.3 °F) and a maximum of 32.5 °C (90.5 °F).
On the coldest nights, the temperature usually drops to around 19.5 °C (67.5 °F).
On the warmest days, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 55 mm (2.2 in), distributed over 5 days.
The day lasts on average 12 hours and 40 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 65%.
The average wind speed is 22 kph (14 mph).
The average sea temperature is of 27 °C (80.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
December is generally a very hot, muggy month. The average temperature is of 27.8 °C (82 °F), with a minimum of 23 °C (73.4 °F) and a maximum of 32.6 °C (90.7 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 170 mm (6.7 in), distributed over 10 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 28 °C (83 °F). Therefore, the sea is pleasantly warm and allows long swims.
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